<div class="row">
    <div class="col-md-12">
        <!-- BEGIN PORTLET-->
        <div class="portlet light">
          <div class="portlet-body">
            <svg id="hashrate" width="100%" height="500"></svg>
          </div>
        </div>
    </div>
</div>
<script type="text/javascript">
    call_hashrate_chart();
</script>